Seiko Cal. 4489 - 186

The Seiko 4489-186 represents an important milestone in Seiko's 1966 lineup. Powered by the 4489 caliber with 23j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-a397b5b8bd58]

Also known as: Panda, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1966

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